COSA Xentaur SF6 Purity Pro - Manual (Page 16)

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4. MAINTENANCE
4-1. Replacing the Batteries
Warning
> All the C-size Alkaline batteries used in the instrument should be the same kind.
> Replace all four batteries at the same time.
1) Confirm that the power is off.
2) Remove instrument out of carrying case.
3) Remove the old batteries and replace them with the new ones in the correct direction.
4) Once you have replaced the batteries, place the battery cover on the bottom.
4-2. Confirming the Sensitivities
It is recommended that the sensitivity of the instrument be assessed periodically (at least once
annually) to ensure its correct operation. If any problems are found or if you wish to have it
calibrated, please contact any of our agents.
4-3. Daily Check
1) Is there any damage on switches, lamps, display, or body?
2) Confirmation of battery voltage.
3) Do you see “CAUTION…” OR “ERROR…” during the operation?